28466386 has 16 divisors (see below), whose sum is σ = 46569600. Its totient is φ = 12971088.

The previous prime is 28466363. The next prime is 28466407. The reversal of 28466386 is 68366482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4876 + ... + 8983.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^28466386 is an apocalyptic number.

28466386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28466386 is a deficient number, since it is larger than the sum of its proper divisors (18103214).

28466386 is a wasteful number, since it uses less digits than its factorization.

28466386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13953.

The product of its digits is 331776, while the sum is 43.

The square root of 28466386 is about 5335.3899576320. The cubic root of 28466386 is about 305.3356012091.

The spelling of 28466386 in words is "twenty-eight million, four hundred sixty-six thousand, three hundred eighty-six".